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곱셈 2자리 X 2자리

1

		3	5
		2	5
	1	7	5
	7	0	0
	8	7	5

2

		8	7
		5	4
	3	4	8
4	3	5	0
4	6	9	8

3

		2	1
		4	7
	1	4	7
	8	4	0
	9	8	7

4

		1	7
		2	5
		8	5
	3	4	0
	4	2	5

5

		5	9
		8	3
	1	7	7
4	7	2	0
4	8	9	7

6

		5	3
		1	0
			0
	5	3	0
	5	3	0

7

		8	4
		8	2
	1	6	8
6	7	2	0
6	8	8	8

8

		5	7
		4	3
	1	7	1
2	2	8	0
2	4	5	1

9

		5	9
		1	1
		5	9
	5	9	0
	6	4	9

10

		1	1
		7	7
		7	7
	7	7	0
	8	4	7

11

		3	5
		6	3
	1	0	5
2	1	0	0
2	2	0	5

12

		2	7
		2	0
			0
	5	4	0
	5	4	0

13

		8	4
		3	0
			0
2	5	2	0
2	5	2	0

14

		4	1
		2	9
	3	6	9
	8	2	0
1	1	8	9

15

		6	1
		6	2
	1	2	2
3	6	6	0
3	7	8	2

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